//
//  GMCitys.h
//  
//
//  Created by 郭明皓 on 15/10/28.
//
//

#import <UIKit/UIKit.h>

typedef void(^Block) (NSString *);
@interface GMCitys : UIViewController

@property (nonatomic, retain)UIButton *button;
@property (nonatomic, copy)Block block;
@end
